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2004 Forester XT 4EAT
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Leaks are also likely on the turbo inlet (unless I missed that). That plastic pipe is 15+ years old and gone thru numerous heat cycles. There are good silicone replacements that do NOT require the IM to come off/be loosened - I did it.
 

· Registered
2004 Forester XT 4EAT
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1,283 Posts
Just to clarify...for those that may find this:
BCS = Boost Control Solenoid, aka DUTY SOLENOID Valve, per Subaru.
BOV = Blow-off Valve, aka BPV = Bypass Valve (not identical functioning parts, but similar)

Google for better explanations than I can offer.
 
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